Setting stacksize in a python script

Question

I have good experience with the following code. It doesn’t require any special user permissions:

import resource, sys
resource.setrlimit(resource.RLIMIT_STACK, (2**29,-1))
sys.setrecursionlimit(10**6)

It does however not seem to work with pypy.

If resource.setrlimit doesn’t work, you can also try using threads:

sys.setrecursionlimit(10**6)
import threading
threading.stack_size(2**26)
threading.Thread(target=main).start()